Upgrade helixconf package

[JayJay1024]

PR-Codex overview

The focus of this PR is to update chain and package configurations:

Detailed summary

• Updated chain configurations for BERA
• Updated package versions for @helixbridge/helixconf and @rainbow-me/rainbowkit

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⚠️ No Changeset found

Latest commit: ec71bc374e5dc0246f7ba36183e6e4243e7f4fad

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions[bot]]

--- Commit: ec71bc3 Preview: https://helix-apps-9v990hgpt-itering.vercel.app https://helix-dev-mainnet.vercel.app

--- Commit: ec71bc3 Preview: https://helix-apps-test-pry6svh15-itering.vercel.app https://helix-dev-testnet.vercel.app